Using the concept of innovation thinking,the teaching effects can be improved and the field of vision of college students can be widened to train the divergent thinking,critical and dialectical thinking;associative and metaphorical thinking in the class of fine chemical experiment.

There have been many misunderstandings of the relationship between formal reason and dialectical reason.

There are two meeting points on Haidegeer and laozhuang s philosophy-rational criticism and human care.

He classified science and metaphysics with his rational criticism; and with his transcendental philosophy he greatly influenced the theoretical route and basic direction of the contemporary British and American analytical philosophy and European humanistic philosophy.

The words are the field where the rational criticism can be launched,while the true words are the prerequisite for us to cond uct the rational criticism.

When we seek for the approaches to the humanistic care for science and technology, we should keep the value rationality and critical rationality.